23 September 2003.
Van Buren County, Iowa, United States
Locality: Mt. Sterling Hardwoods just northeast of Mt. Sterling, T67N R9W NE 1/4 of NW 1/4 Sec. 5
Coordinates: 40.6361, -91.9225
(Map it)
Elevation: 198m.
Georeference protocol: Lat/lon determined by GPS
Habitat: Wild Habitat
Environment description: Edge of hay field and woods. Mostly sunny. Slight slope with various aspects. Clay loam soil.
Number of plants sampled: 12
Associated species: Rhus aromatica, Toxicodendron radicans, Juniperus virginiana, and Prunus serotina.
Comment: Occasional population abundance with irregular distribution. 20 plants found.
Collector(s):